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@@ -1,560 +0,0 @@
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-/* GPL HEADER START
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- *
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- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 only,
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- * as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License version 2 for more details (a copy is included
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- * in the LICENSE file that accompanied this code).
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- *
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- * You should have received a copy of the GNU General Public License
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- * version 2 along with this program; If not, see
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- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
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- *
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- * GPL HEADER END
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- */
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-/*
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- * Copyright (c) 2011, 2012, Intel Corporation.
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- * Use is subject to license terms.
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- *
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- * Author: Niu Yawei <niu@whamcloud.com>
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- */
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-/*
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- * lustre/obdclass/lprocfs_jobstats.c
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- */
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-
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-#ifndef EXPORT_SYMTAB
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-# define EXPORT_SYMTAB
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-#endif
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-#define DEBUG_SUBSYSTEM S_CLASS
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-
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-
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-#include <obd_class.h>
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-#include <lprocfs_status.h>
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-#include <lustre/lustre_idl.h>
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-
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-#if defined(LPROCFS)
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-
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-/*
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- * JobID formats & JobID environment variable names for supported
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- * job schedulers:
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- *
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- * SLURM:
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- * JobID format: 32 bit integer.
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- * JobID env var: SLURM_JOB_ID.
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- * SGE:
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- * JobID format: Decimal integer range to 99999.
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- * JobID env var: JOB_ID.
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- * LSF:
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- * JobID format: 6 digit integer by default (up to 999999), can be
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- * increased to 10 digit (up to 2147483646).
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- * JobID env var: LSB_JOBID.
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- * Loadleveler:
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- * JobID format: String of machine_name.cluster_id.process_id, for
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- * example: fr2n02.32.0
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- * JobID env var: LOADL_STEP_ID.
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- * PBS:
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- * JobID format: String of sequence_number[.server_name][@server].
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- * JobID env var: PBS_JOBID.
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- * Maui/MOAB:
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- * JobID format: Same as PBS.
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- * JobID env var: Same as PBS.
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- */
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-
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-struct job_stat {
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- struct hlist_node js_hash;
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- struct list_head js_list;
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- atomic_t js_refcount;
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- char js_jobid[JOBSTATS_JOBID_SIZE];
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- time_t js_timestamp; /* seconds */
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- struct lprocfs_stats *js_stats;
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- struct obd_job_stats *js_jobstats;
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-};
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-
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-static unsigned job_stat_hash(cfs_hash_t *hs, const void *key, unsigned mask)
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-{
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- return cfs_hash_djb2_hash(key, strlen(key), mask);
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-}
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-
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-static void *job_stat_key(struct hlist_node *hnode)
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-{
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- struct job_stat *job;
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- job = hlist_entry(hnode, struct job_stat, js_hash);
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- return job->js_jobid;
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-}
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-
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-static int job_stat_keycmp(const void *key, struct hlist_node *hnode)
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-{
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- struct job_stat *job;
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- job = hlist_entry(hnode, struct job_stat, js_hash);
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- return (strlen(job->js_jobid) == strlen(key)) &&
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- !strncmp(job->js_jobid, key, strlen(key));
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-}
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-
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-static void *job_stat_object(struct hlist_node *hnode)
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-{
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- return hlist_entry(hnode, struct job_stat, js_hash);
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-}
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-
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-static void job_stat_get(cfs_hash_t *hs, struct hlist_node *hnode)
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-{
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- struct job_stat *job;
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- job = hlist_entry(hnode, struct job_stat, js_hash);
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- atomic_inc(&job->js_refcount);
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-}
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-
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-static void job_free(struct job_stat *job)
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-{
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- LASSERT(atomic_read(&job->js_refcount) == 0);
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- LASSERT(job->js_jobstats);
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-
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- write_lock(&job->js_jobstats->ojs_lock);
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- list_del_init(&job->js_list);
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- write_unlock(&job->js_jobstats->ojs_lock);
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-
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- lprocfs_free_stats(&job->js_stats);
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- OBD_FREE_PTR(job);
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-}
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-
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-static void job_putref(struct job_stat *job)
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-{
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- LASSERT(atomic_read(&job->js_refcount) > 0);
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- if (atomic_dec_and_test(&job->js_refcount))
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- job_free(job);
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-}
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-
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-static void job_stat_put_locked(cfs_hash_t *hs, struct hlist_node *hnode)
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-{
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- struct job_stat *job;
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- job = hlist_entry(hnode, struct job_stat, js_hash);
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- job_putref(job);
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-}
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-
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-static void job_stat_exit(cfs_hash_t *hs, struct hlist_node *hnode)
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-{
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- CERROR("Should not have any items!");
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-}
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-
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-static cfs_hash_ops_t job_stats_hash_ops = {
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- .hs_hash = job_stat_hash,
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- .hs_key = job_stat_key,
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- .hs_keycmp = job_stat_keycmp,
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- .hs_object = job_stat_object,
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- .hs_get = job_stat_get,
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- .hs_put_locked = job_stat_put_locked,
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- .hs_exit = job_stat_exit,
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-};
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-
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-static int job_iter_callback(cfs_hash_t *hs, cfs_hash_bd_t *bd,
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- struct hlist_node *hnode, void *data)
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-{
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- time_t oldest = *((time_t *)data);
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- struct job_stat *job;
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-
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- job = hlist_entry(hnode, struct job_stat, js_hash);
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- if (!oldest || job->js_timestamp < oldest)
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- cfs_hash_bd_del_locked(hs, bd, hnode);
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-
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- return 0;
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-}
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-
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-static void lprocfs_job_cleanup(struct obd_job_stats *stats, bool force)
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-{
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- time_t oldest, now;
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-
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- if (stats->ojs_cleanup_interval == 0)
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- return;
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-
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- now = cfs_time_current_sec();
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- if (!force && now < stats->ojs_last_cleanup +
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- stats->ojs_cleanup_interval)
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- return;
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-
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- oldest = now - stats->ojs_cleanup_interval;
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- cfs_hash_for_each_safe(stats->ojs_hash, job_iter_callback,
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- &oldest);
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- stats->ojs_last_cleanup = cfs_time_current_sec();
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-}
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-
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-static struct job_stat *job_alloc(char *jobid, struct obd_job_stats *jobs)
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-{
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- struct job_stat *job;
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-
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- LASSERT(jobs->ojs_cntr_num && jobs->ojs_cntr_init_fn);
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-
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- OBD_ALLOC_PTR(job);
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- if (job == NULL)
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- return NULL;
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-
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- job->js_stats = lprocfs_alloc_stats(jobs->ojs_cntr_num, 0);
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- if (job->js_stats == NULL) {
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- OBD_FREE_PTR(job);
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- return NULL;
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- }
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-
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- jobs->ojs_cntr_init_fn(job->js_stats);
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-
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- memcpy(job->js_jobid, jobid, JOBSTATS_JOBID_SIZE);
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- job->js_timestamp = cfs_time_current_sec();
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- job->js_jobstats = jobs;
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- INIT_HLIST_NODE(&job->js_hash);
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- INIT_LIST_HEAD(&job->js_list);
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- atomic_set(&job->js_refcount, 1);
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-
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- return job;
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-}
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-
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-int lprocfs_job_stats_log(struct obd_device *obd, char *jobid,
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- int event, long amount)
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-{
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- struct obd_job_stats *stats = &obd->u.obt.obt_jobstats;
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- struct job_stat *job, *job2;
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- ENTRY;
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-
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- LASSERT(stats && stats->ojs_hash);
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-
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- lprocfs_job_cleanup(stats, false);
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-
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- if (!jobid || !strlen(jobid))
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- RETURN(-EINVAL);
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-
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- if (strlen(jobid) >= JOBSTATS_JOBID_SIZE) {
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- CERROR("Invalid jobid size (%lu), expect(%d)\n",
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- (unsigned long)strlen(jobid) + 1, JOBSTATS_JOBID_SIZE);
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- RETURN(-EINVAL);
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- }
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-
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- job = cfs_hash_lookup(stats->ojs_hash, jobid);
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- if (job)
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- goto found;
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-
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- job = job_alloc(jobid, stats);
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- if (job == NULL)
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- RETURN(-ENOMEM);
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-
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- job2 = cfs_hash_findadd_unique(stats->ojs_hash, job->js_jobid,
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- &job->js_hash);
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- if (job2 != job) {
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- job_putref(job);
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- job = job2;
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- /* We cannot LASSERT(!list_empty(&job->js_list)) here,
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- * since we just lost the race for inserting "job" into the
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- * ojs_list, and some other thread is doing it _right_now_.
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- * Instead, be content the other thread is doing this, since
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- * "job2" was initialized in job_alloc() already. LU-2163 */
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- } else {
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- LASSERT(list_empty(&job->js_list));
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- write_lock(&stats->ojs_lock);
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- list_add_tail(&job->js_list, &stats->ojs_list);
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- write_unlock(&stats->ojs_lock);
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- }
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-
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-found:
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- LASSERT(stats == job->js_jobstats);
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- LASSERT(stats->ojs_cntr_num > event);
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- job->js_timestamp = cfs_time_current_sec();
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- lprocfs_counter_add(job->js_stats, event, amount);
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-
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- job_putref(job);
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- RETURN(0);
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-}
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-EXPORT_SYMBOL(lprocfs_job_stats_log);
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-
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-void lprocfs_job_stats_fini(struct obd_device *obd)
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-{
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- struct obd_job_stats *stats = &obd->u.obt.obt_jobstats;
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- time_t oldest = 0;
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-
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- if (stats->ojs_hash == NULL)
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- return;
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- cfs_hash_for_each_safe(stats->ojs_hash, job_iter_callback, &oldest);
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- cfs_hash_putref(stats->ojs_hash);
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- stats->ojs_hash = NULL;
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- LASSERT(list_empty(&stats->ojs_list));
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-}
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-EXPORT_SYMBOL(lprocfs_job_stats_fini);
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-
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-static void *lprocfs_jobstats_seq_start(struct seq_file *p, loff_t *pos)
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-{
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- struct obd_job_stats *stats = p->private;
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- loff_t off = *pos;
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- struct job_stat *job;
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-
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- read_lock(&stats->ojs_lock);
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- if (off == 0)
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- return SEQ_START_TOKEN;
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- off--;
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- list_for_each_entry(job, &stats->ojs_list, js_list) {
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- if (!off--)
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- return job;
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- }
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- return NULL;
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-}
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-
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-static void lprocfs_jobstats_seq_stop(struct seq_file *p, void *v)
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-{
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- struct obd_job_stats *stats = p->private;
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-
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- read_unlock(&stats->ojs_lock);
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-}
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-
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-static void *lprocfs_jobstats_seq_next(struct seq_file *p, void *v, loff_t *pos)
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-{
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- struct obd_job_stats *stats = p->private;
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- struct job_stat *job;
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- struct list_head *next;
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-
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- ++*pos;
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- if (v == SEQ_START_TOKEN) {
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- next = stats->ojs_list.next;
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- } else {
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- job = (struct job_stat *)v;
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- next = job->js_list.next;
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- }
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-
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- return next == &stats->ojs_list ? NULL :
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- list_entry(next, struct job_stat, js_list);
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-}
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-
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-/*
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- * Example of output on MDT:
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- *
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- * job_stats:
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- * - job_id: test_id.222.25844
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- * snapshot_time: 1322494486
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- * open: { samples: 3, unit: reqs }
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- * close: { samples: 3, unit: reqs }
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- * mknod: { samples: 0, unit: reqs }
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- * link: { samples: 0, unit: reqs }
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- * unlink: { samples: 0, unit: reqs }
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- * mkdir: { samples: 0, unit: reqs }
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- * rmdir: { samples: 0, unit: reqs }
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- * rename: { samples: 1, unit: reqs }
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- * getattr: { samples: 7, unit: reqs }
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- * setattr: { samples: 0, unit: reqs }
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- * getxattr: { samples: 0, unit: reqs }
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- * setxattr: { samples: 0, unit: reqs }
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- * statfs: { samples: 0, unit: reqs }
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- * sync: { samples: 0, unit: reqs }
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- *
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- * Example of output on OST:
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- *
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- * job_stats:
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- * - job_id 4854
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- * snapshot_time: 1322494602
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- * read: { samples: 0, unit: bytes, min: 0, max: 0, sum: 0 }
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- * write: { samples: 1, unit: bytes, min: 10, max: 10, sum: 10 }
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- * setattr: { samples: 0, unit: reqs }
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- * punch: { samples: 0, unit: reqs }
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- * sync: { samples: 0, unit: reqs }
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- */
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-
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-static const char spaces[] = " ";
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-
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-static int inline width(const char *str, int len)
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-{
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- return len - min((int)strlen(str), 15);
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-}
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-
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-static int lprocfs_jobstats_seq_show(struct seq_file *p, void *v)
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-{
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- struct job_stat *job = v;
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- struct lprocfs_stats *s;
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- struct lprocfs_counter ret;
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- struct lprocfs_counter_header *cntr_header;
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- int i;
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-
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- if (v == SEQ_START_TOKEN) {
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- seq_printf(p, "job_stats:\n");
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- return 0;
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- }
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-
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- seq_printf(p, "- %-16s %s\n", "job_id:", job->js_jobid);
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- seq_printf(p, " %-16s %ld\n", "snapshot_time:", job->js_timestamp);
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-
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- s = job->js_stats;
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- for (i = 0; i < s->ls_num; i++) {
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- cntr_header = &s->ls_cnt_header[i];
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- lprocfs_stats_collect(s, i, &ret);
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-
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- seq_printf(p, " %s:%.*s { samples: %11"LPF64"u",
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- cntr_header->lc_name,
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- width(cntr_header->lc_name, 15), spaces,
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- ret.lc_count);
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- if (cntr_header->lc_units[0] != '\0')
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- seq_printf(p, ", unit: %5s", cntr_header->lc_units);
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-
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- if (cntr_header->lc_config & LPROCFS_CNTR_AVGMINMAX) {
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|
|
- seq_printf(p, ", min:%8"LPF64"u, max:%8"LPF64"u,"
|
|
|
- " sum:%16"LPF64"u",
|
|
|
- ret.lc_count ? ret.lc_min : 0,
|
|
|
- ret.lc_count ? ret.lc_max : 0,
|
|
|
- ret.lc_count ? ret.lc_sum : 0);
|
|
|
- }
|
|
|
- if (cntr_header->lc_config & LPROCFS_CNTR_STDDEV) {
|
|
|
- seq_printf(p, ", sumsq: %18"LPF64"u",
|
|
|
- ret.lc_count ? ret.lc_sumsquare : 0);
|
|
|
- }
|
|
|
-
|
|
|
- seq_printf(p, " }\n");
|
|
|
-
|
|
|
- }
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-struct seq_operations lprocfs_jobstats_seq_sops = {
|
|
|
- start: lprocfs_jobstats_seq_start,
|
|
|
- stop: lprocfs_jobstats_seq_stop,
|
|
|
- next: lprocfs_jobstats_seq_next,
|
|
|
- show: lprocfs_jobstats_seq_show,
|
|
|
-};
|
|
|
-
|
|
|
-static int lprocfs_jobstats_seq_open(struct inode *inode, struct file *file)
|
|
|
-{
|
|
|
- struct seq_file *seq;
|
|
|
- int rc;
|
|
|
-
|
|
|
- rc = seq_open(file, &lprocfs_jobstats_seq_sops);
|
|
|
- if (rc)
|
|
|
- return rc;
|
|
|
- seq = file->private_data;
|
|
|
- seq->private = PDE_DATA(inode);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static ssize_t lprocfs_jobstats_seq_write(struct file *file, const char *buf,
|
|
|
- size_t len, loff_t *off)
|
|
|
-{
|
|
|
- struct seq_file *seq = file->private_data;
|
|
|
- struct obd_job_stats *stats = seq->private;
|
|
|
- char jobid[JOBSTATS_JOBID_SIZE];
|
|
|
- int all = 0;
|
|
|
- struct job_stat *job;
|
|
|
-
|
|
|
- if (!memcmp(buf, "clear", strlen("clear"))) {
|
|
|
- all = 1;
|
|
|
- } else if (len < JOBSTATS_JOBID_SIZE) {
|
|
|
- memset(jobid, 0, JOBSTATS_JOBID_SIZE);
|
|
|
- /* Trim '\n' if any */
|
|
|
- if (buf[len - 1] == '\n')
|
|
|
- memcpy(jobid, buf, len - 1);
|
|
|
- else
|
|
|
- memcpy(jobid, buf, len);
|
|
|
- } else {
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
-
|
|
|
- LASSERT(stats->ojs_hash);
|
|
|
- if (all) {
|
|
|
- time_t oldest = 0;
|
|
|
- cfs_hash_for_each_safe(stats->ojs_hash, job_iter_callback,
|
|
|
- &oldest);
|
|
|
- return len;
|
|
|
- }
|
|
|
-
|
|
|
- if (!strlen(jobid))
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- job = cfs_hash_lookup(stats->ojs_hash, jobid);
|
|
|
- if (!job)
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- cfs_hash_del_key(stats->ojs_hash, jobid);
|
|
|
-
|
|
|
- job_putref(job);
|
|
|
- return len;
|
|
|
-}
|
|
|
-
|
|
|
-struct file_operations lprocfs_jobstats_seq_fops = {
|
|
|
- .owner = THIS_MODULE,
|
|
|
- .open = lprocfs_jobstats_seq_open,
|
|
|
- .read = seq_read,
|
|
|
- .write = lprocfs_jobstats_seq_write,
|
|
|
- .llseek = seq_lseek,
|
|
|
- .release = lprocfs_seq_release,
|
|
|
-};
|
|
|
-
|
|
|
-int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num,
|
|
|
- cntr_init_callback init_fn)
|
|
|
-{
|
|
|
- struct proc_dir_entry *entry;
|
|
|
- struct obd_job_stats *stats;
|
|
|
- ENTRY;
|
|
|
-
|
|
|
- LASSERT(obd->obd_proc_entry != NULL);
|
|
|
- LASSERT(obd->obd_type->typ_name);
|
|
|
-
|
|
|
- if (strcmp(obd->obd_type->typ_name, LUSTRE_MDT_NAME) &&
|
|
|
- strcmp(obd->obd_type->typ_name, LUSTRE_OST_NAME)) {
|
|
|
- CERROR("Invalid obd device type.\n");
|
|
|
- RETURN(-EINVAL);
|
|
|
- }
|
|
|
- stats = &obd->u.obt.obt_jobstats;
|
|
|
-
|
|
|
- LASSERT(stats->ojs_hash == NULL);
|
|
|
- stats->ojs_hash = cfs_hash_create("JOB_STATS",
|
|
|
- HASH_JOB_STATS_CUR_BITS,
|
|
|
- HASH_JOB_STATS_MAX_BITS,
|
|
|
- HASH_JOB_STATS_BKT_BITS, 0,
|
|
|
- CFS_HASH_MIN_THETA,
|
|
|
- CFS_HASH_MAX_THETA,
|
|
|
- &job_stats_hash_ops,
|
|
|
- CFS_HASH_DEFAULT);
|
|
|
- if (stats->ojs_hash == NULL)
|
|
|
- RETURN(-ENOMEM);
|
|
|
-
|
|
|
- INIT_LIST_HEAD(&stats->ojs_list);
|
|
|
- rwlock_init(&stats->ojs_lock);
|
|
|
- stats->ojs_cntr_num = cntr_num;
|
|
|
- stats->ojs_cntr_init_fn = init_fn;
|
|
|
- stats->ojs_cleanup_interval = 600; /* 10 mins by default */
|
|
|
- stats->ojs_last_cleanup = cfs_time_current_sec();
|
|
|
-
|
|
|
- entry = proc_create_data("job_stats", 0644, obd->obd_proc_entry,
|
|
|
- &lprocfs_jobstats_seq_fops, stats);
|
|
|
- if (entry)
|
|
|
- RETURN(0);
|
|
|
- else
|
|
|
- RETURN(-ENOMEM);
|
|
|
-}
|
|
|
-EXPORT_SYMBOL(lprocfs_job_stats_init);
|
|
|
-
|
|
|
-int lprocfs_rd_job_interval(struct seq_file *m, void *data)
|
|
|
-{
|
|
|
- struct obd_device *obd = (struct obd_device *)data;
|
|
|
- struct obd_job_stats *stats;
|
|
|
-
|
|
|
- LASSERT(obd != NULL);
|
|
|
- stats = &obd->u.obt.obt_jobstats;
|
|
|
- return seq_printf(m, "%d\n", stats->ojs_cleanup_interval);
|
|
|
-}
|
|
|
-EXPORT_SYMBOL(lprocfs_rd_job_interval);
|
|
|
-
|
|
|
-int lprocfs_wr_job_interval(struct file *file, const char *buffer,
|
|
|
- unsigned long count, void *data)
|
|
|
-{
|
|
|
- struct obd_device *obd = (struct obd_device *)data;
|
|
|
- struct obd_job_stats *stats;
|
|
|
- int val, rc;
|
|
|
-
|
|
|
- LASSERT(obd != NULL);
|
|
|
- stats = &obd->u.obt.obt_jobstats;
|
|
|
-
|
|
|
- rc = lprocfs_write_helper(buffer, count, &val);
|
|
|
- if (rc)
|
|
|
- return rc;
|
|
|
-
|
|
|
- stats->ojs_cleanup_interval = val;
|
|
|
- lprocfs_job_cleanup(stats, true);
|
|
|
-
|
|
|
- return count;
|
|
|
-
|
|
|
-}
|
|
|
-EXPORT_SYMBOL(lprocfs_wr_job_interval);
|
|
|
-
|
|
|
-#endif /* LPROCFS*/
|
Liu Xuezhao